part_of develops from produces cementoblast CL:0000061 CL:0000859 FMA:63002 Legacy def: A cell of ectomesenchymal origin that aids in the formation the cementum layer on the roots of teeth. Skeletogenic cell that produces cementum (a bony substance that covers the root of a tooth), is part of the odontogenic papilla, and develops from a precementoblast cell. cell cementum secreting cell osteoblast precementoblast odontogenic papilla cementum